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mixer [17]
3 years ago
10

Reflect (1,‐4) across the x‐axis what is the reflected ordered pair?​

Mathematics
2 answers:
lidiya [134]3 years ago
8 0

Answer: (1,4)

Step-by-step explanation:

The rule for reflecting over the X axis is to negate the value of the y-coordinate of each point, but leave the x-value the same. For example, when point P with coordinates (1,-4) is reflecting across the X axis and mapped onto point P', the coordinates of P' are (1,4)

alexandr1967 [171]3 years ago
4 0

Answer:

(1,4)

Step-by-step explanation:

(1,-4) is over 1 and down negative 4 so reflected over the x-axis(the horizontal one) it would be four up so the answer is (1,4)

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Anton [14]
5 + .25x (x represents the amount of games he plays) has to be less then or equal to 12

3 0
3 years ago
3. Diego drew a scaled version of a Polygon P and labeled it Q.
bogdanovich [222]

Answer:

The scale factor used to go from P to Q is 1/4

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z ----> the scale factor

x -----> area of polygon Q

y -----> area of polygon P

z^{2}=\frac{x}{y}

we have

y=72\ units^2

Find the area of polygon Q

Divide the the area of polygon Q in two triangles and three squares

The area of the polygon Q is equal to the area of two triangles plus the area of three squares

see the attached figure N 2

Find the area of triangle 1

A=(1/2)(1)(2)=1\ units^2

Find the area of three squares (A2,A3 and A4)

A=3(1)^2=3\ units^2

Find the area of triangle 5

A=(1/2)(1)(1)=0.5\ units^2

The area of polygon Q is

x=1+3+0.5=4.5\ units^2

Find the scale factor

z^{2}=\frac{x}{y}

we havey=72\ units^2

x=4.5\ units^2

substitute and solve for z

z^{2}=\frac{4.5}{72}

z^{2}=\frac{1}{16}

square root both sides

z=\frac{1}{4}

therefore

The scale factor used to go from P to Q is 1/4

6 0
3 years ago
This is supposed to be a table btw
vagabundo [1.1K]

Answer:

The equation is y = 3x + 2

Step-by-step explanation:

The form of the linear equation is y = m x + b, where

  • m is the slope of the line which represent the equation
  • b is the y-intercept which is value y at x = 0

The rule of the slope is m = Δy/Δx, where

  • Δx = x2 - x1 and Δy = y2 - y1
  • (x1, y1) and (x2, y2) are two points on the line.

∵ x is the input

∵ Input: 0, 1, 2, 3, 4

∵ y is the output

∵ output: 2, 5, 8, 11, 14

∴ The points on the line are (0, 2), (1, 5), (2, 8), (3, 11), and (4, 14)

→ Use any two points to find m

∵ x1 = 0 and y1 = 2

∵ x2 = 1 and y2 = 5

→ Find Δx and Δy

∴ Δx = 1 - 0 = 1

∴ Δy = 5 - 2 = 3

→ Substitute them in the rule of the slope above

∵ m = \frac{3}{1}

∴ m = 3

∵ b is the value of y at x = 0

∵ At x = 0, y = 2

∴ b = 2

→ Substitute the values of m and b in the form of the equation above

∵ y = 3x + 2

∴ The equation is y = 3x + 2

3 0
3 years ago
What is the sum of 36 ounces and 4 pounds? 6 lb. 6 lb., 4 oz. 96 oz. 98 oz.
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(36/16) + (4) =

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Answer:

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Step-by-step explanation:

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